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-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/irq.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
index c3ba7ec43..797e6f81a 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
@@ -50,6 +50,9 @@ static void ar71xx_pci_irq_unmask(unsigned int irq)
irq -= AR71XX_PCI_IRQ_BASE;
ar71xx_reset_wr(AR71XX_RESET_REG_PCI_INT_ENABLE,
ar71xx_reset_rr(AR71XX_RESET_REG_PCI_INT_ENABLE) | (1 << irq));
+
+ /* flush write */
+ ar71xx_reset_rr(AR71XX_RESET_REG_PCI_INT_ENABLE);
}
static void ar71xx_pci_irq_mask(unsigned int irq)
@@ -57,6 +60,9 @@ static void ar71xx_pci_irq_mask(unsigned int irq)
irq -= AR71XX_PCI_IRQ_BASE;
ar71xx_reset_wr(AR71XX_RESET_REG_PCI_INT_ENABLE,
ar71xx_reset_rr(AR71XX_RESET_REG_PCI_INT_ENABLE) & ~(1 << irq));
+
+ /* flush write */
+ ar71xx_reset_rr(AR71XX_RESET_REG_PCI_INT_ENABLE);
}
static struct irq_chip ar71xx_pci_irq_chip = {